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-rw-r--r--src/testdir/test_lua.vim1235
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diff --git a/src/testdir/test_lua.vim b/src/testdir/test_lua.vim
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+" Tests for Lua.
+
+source check.vim
+
+" This test also works without the lua feature.
+func Test_skip_lua()
+ if 0
+ lua print("Not executed")
+ endif
+endfunc
+
+CheckFeature lua
+
+" Depending on the lua version, the error messages are different.
+let [s:major, s:minor, s:patch] = luaeval('vim.lua_version')->split('\.')->map({-> str2nr(v:val)})
+let s:lua_53_or_later = 0
+let s:lua_543 = 0
+if (s:major == 5 && s:minor >= 3) || s:major > 5
+ let s:lua_53_or_later = 1
+ if s:major == 5 && s:minor == 4 && s:patch == 3
+ let s:lua_543 = 1
+ endif
+endif
+
+func TearDown()
+ " Run garbage collection after each test to exercise luaV_setref().
+ call test_garbagecollect_now()
+endfunc
+
+" Check that switching to another buffer does not trigger ml_get error.
+func Test_lua_command_new_no_ml_get_error()
+ new
+ let wincount = winnr('$')
+ call setline(1, ['one', 'two', 'three'])
+ luado vim.command("new")
+ call assert_equal(wincount + 1, winnr('$'))
+ %bwipe!
+endfunc
+
+" Test vim.command()
+func Test_lua_command()
+ new
+ call setline(1, ['one', 'two', 'three'])
+ luado vim.command("1,2d_")
+ call assert_equal(['three'], getline(1, '$'))
+ bwipe!
+endfunc
+
+func Test_lua_luado()
+ new
+ call setline(1, ['one', 'two'])
+ luado return(linenr)
+ call assert_equal(['1', '2'], getline(1, '$'))
+ close!
+
+ " Error cases
+ call assert_fails('luado string.format()',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'format' (string expected, got no value)")
+ if s:lua_543
+ let msg = "[string \"vim chunk\"]:1: global 'func' is not callable (a nil value)"
+ elseif s:lua_53_or_later
+ let msg = "[string \"vim chunk\"]:1: attempt to call a nil value (global 'func')"
+ else
+ let msg = "[string \"vim chunk\"]:1: attempt to call global 'func' (a nil value)"
+ endif
+ call assert_fails('luado func()', msg)
+ call assert_fails('luado error("failed")', "[string \"vim chunk\"]:1: failed")
+endfunc
+
+" Test vim.eval()
+func Test_lua_eval()
+ " lua.eval with a number
+ lua v = vim.eval('123')
+ call assert_equal('number', luaeval('vim.type(v)'))
+ call assert_equal(123, luaeval('v'))
+
+ " lua.eval with a string
+ lua v = vim.eval('"abc"')
+ call assert_equal('string', 'vim.type(v)'->luaeval())
+ call assert_equal('abc', luaeval('v'))
+
+ " lua.eval with a list
+ lua v = vim.eval("['a']")
+ call assert_equal('list', luaeval('vim.type(v)'))
+ call assert_equal(['a'], luaeval('v'))
+
+ " lua.eval with a dict
+ lua v = vim.eval("{'a':'b'}")
+ call assert_equal('dict', luaeval('vim.type(v)'))
+ call assert_equal({'a':'b'}, luaeval('v'))
+
+ " lua.eval with a blob
+ lua v = vim.eval("0z00112233.deadbeef")
+ call assert_equal('blob', luaeval('vim.type(v)'))
+ call assert_equal(0z00112233.deadbeef, luaeval('v'))
+
+ " lua.eval with a float
+ lua v = vim.eval('3.14')
+ call assert_equal('number', luaeval('vim.type(v)'))
+ call assert_equal(3.14, luaeval('v'))
+
+ " lua.eval with a bool
+ lua v = vim.eval('v:true')
+ call assert_equal('number', luaeval('vim.type(v)'))
+ call assert_equal(1, luaeval('v'))
+ lua v = vim.eval('v:false')
+ call assert_equal('number', luaeval('vim.type(v)'))
+ call assert_equal(0, luaeval('v'))
+
+ " lua.eval with a null
+ lua v = vim.eval('v:null')
+ call assert_equal('nil', luaeval('vim.type(v)'))
+ call assert_equal(v:null, luaeval('v'))
+
+ call assert_fails('lua v = vim.eval(nil)',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got nil)")
+ call assert_fails('lua v = vim.eval(true)',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got boolean)")
+ call assert_fails('lua v = vim.eval({})',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got table)")
+ call assert_fails('lua v = vim.eval(print)',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got function)")
+ call assert_fails('lua v = vim.eval(vim.buffer())',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'eval' (string expected, got userdata)")
+
+ lua v = nil
+endfunc
+
+" Test luaeval() with lambda
+func Test_luaeval_with_lambda()
+ lua function hello_luaeval_lambda(a, cb) return a .. cb() end
+ call assert_equal('helloworld',
+ \ luaeval('hello_luaeval_lambda(_A[1], _A[2])',
+ \ ['hello', {->'world'}]))
+ lua hello_luaeval_lambda = nil
+endfunc
+
+" Test vim.window()
+func Test_lua_window()
+ e Xfoo2
+ new Xfoo1
+
+ " Window 1 (top window) contains Xfoo1
+ " Window 2 (bottom window) contains Xfoo2
+ call assert_equal('Xfoo1', luaeval('vim.window(1):buffer().name'))
+ call assert_equal('Xfoo2', luaeval('vim.window(2):buffer().name'))
+
+ " Window 3 does not exist so vim.window(3) should return nil
+ call assert_equal('nil', luaeval('tostring(vim.window(3))'))
+
+ if s:lua_543
+ let msg = "[string \"luaeval\"]:1: field 'xyz' is not callable (a nil value)"
+ elseif s:lua_53_or_later
+ let msg = "[string \"luaeval\"]:1: attempt to call a nil value (field 'xyz')"
+ else
+ let msg = "[string \"luaeval\"]:1: attempt to call field 'xyz' (a nil value)"
+ endif
+ call assert_fails("let n = luaeval('vim.window().xyz()')", msg)
+ call assert_fails('lua vim.window().xyz = 1',
+ \ "[string \"vim chunk\"]:1: invalid window property: `xyz'")
+
+ %bwipe!
+endfunc
+
+" Test vim.window().height
+func Test_lua_window_height()
+ new
+ lua vim.window().height = 2
+ call assert_equal(2, winheight(0))
+ lua vim.window().height = vim.window().height + 1
+ call assert_equal(3, winheight(0))
+ bwipe!
+endfunc
+
+" Test vim.window().width
+func Test_lua_window_width()
+ vert new
+ lua vim.window().width = 2
+ call assert_equal(2, winwidth(0))
+ lua vim.window().width = vim.window().width + 1
+ call assert_equal(3, winwidth(0))
+ bwipe!
+endfunc
+
+" Test vim.window().line and vim.window.col
+func Test_lua_window_line_col()
+ new
+ call setline(1, ['line1', 'line2', 'line3'])
+ lua vim.window().line = 2
+ lua vim.window().col = 4
+ call assert_equal([0, 2, 4, 0], getpos('.'))
+ lua vim.window().line = vim.window().line + 1
+ lua vim.window().col = vim.window().col - 1
+ call assert_equal([0, 3, 3, 0], getpos('.'))
+
+ call assert_fails('lua vim.window().line = 10',
+ \ '[string "vim chunk"]:1: line out of range')
+ bwipe!
+endfunc
+
+" Test vim.call
+func Test_lua_call()
+ call assert_equal(has('lua'), luaeval('vim.call("has", "lua")'))
+ call assert_equal(printf("Hello %s", "vim"), luaeval('vim.call("printf", "Hello %s", "vim")'))
+
+ " Error cases
+ call assert_fails("call luaeval('vim.call(\"min\", 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)')",
+ \ s:lua_53_or_later
+ \ ? '[string "luaeval"]:1: Function called with too many arguments'
+ \ : 'Function called with too many arguments')
+ lua co = coroutine.create(function () print("hi") end)
+ call assert_fails("call luaeval('vim.call(\"type\", co)')",
+ \ s:lua_53_or_later
+ \ ? '[string "luaeval"]:1: lua: cannot convert value'
+ \ : 'lua: cannot convert value')
+ lua co = nil
+ call assert_fails("call luaeval('vim.call(\"abc\")')",
+ \ ['E117:', s:lua_53_or_later ? '\[string "luaeval"]:1: lua: call_vim_function failed'
+ \ : 'lua: call_vim_function failed'])
+endfunc
+
+" Test vim.fn.*
+func Test_lua_fn()
+ call assert_equal(has('lua'), luaeval('vim.fn.has("lua")'))
+ call assert_equal(printf("Hello %s", "vim"), luaeval('vim.fn.printf("Hello %s", "vim")'))
+endfunc
+
+" Test setting the current window
+func Test_lua_window_set_current()
+ new Xfoo1
+ lua w1 = vim.window()
+ new Xfoo2
+ lua w2 = vim.window()
+
+ call assert_equal('Xfoo2', bufname('%'))
+ lua w1()
+ call assert_equal('Xfoo1', bufname('%'))
+ lua w2()
+ call assert_equal('Xfoo2', bufname('%'))
+
+ lua w1, w2 = nil
+ %bwipe!
+endfunc
+
+" Test vim.window().buffer
+func Test_lua_window_buffer()
+ new Xfoo1
+ lua w1 = vim.window()
+ lua b1 = w1.buffer()
+ new Xfoo2
+ lua w2 = vim.window()
+ lua b2 = w2.buffer()
+
+ lua b1()
+ call assert_equal('Xfoo1', bufname('%'))
+ lua b2()
+ call assert_equal('Xfoo2', bufname('%'))
+
+ lua b1, b2, w1, w2 = nil
+ %bwipe!
+endfunc
+
+" Test vim.window():previous() and vim.window():next()
+func Test_lua_window_next_previous()
+ new Xfoo1
+ new Xfoo2
+ new Xfoo3
+ wincmd j
+
+ call assert_equal('Xfoo2', luaeval('vim.window().buffer().name'))
+ call assert_equal('Xfoo1', luaeval('vim.window():next():buffer().name'))
+ call assert_equal('Xfoo3', luaeval('vim.window():previous():buffer().name'))
+
+ %bwipe!
+endfunc
+
+" Test vim.window():isvalid()
+func Test_lua_window_isvalid()
+ new Xfoo
+ lua w = vim.window()
+ call assert_true(luaeval('w:isvalid()'))
+
+ " FIXME: how to test the case when isvalid() returns v:false?
+ " isvalid() gives errors when the window is deleted. Is it a bug?
+
+ lua w = nil
+ bwipe!
+endfunc
+
+" Test vim.buffer() with and without argument
+func Test_lua_buffer()
+ new Xfoo1
+ let bn1 = bufnr('%')
+ new Xfoo2
+ let bn2 = bufnr('%')
+
+ " Test vim.buffer() without argument.
+ call assert_equal('Xfoo2', luaeval("vim.buffer().name"))
+
+ " Test vim.buffer() with string argument.
+ call assert_equal('Xfoo1', luaeval("vim.buffer('Xfoo1').name"))
+ call assert_equal('Xfoo2', luaeval("vim.buffer('Xfoo2').name"))
+
+ " Test vim.buffer() with integer argument.
+ call assert_equal('Xfoo1', luaeval("vim.buffer(" . bn1 . ").name"))
+ call assert_equal('Xfoo2', luaeval("vim.buffer(" . bn2 . ").name"))
+
+ lua bn1, bn2 = nil
+ %bwipe!
+endfunc
+
+" Test vim.buffer().name and vim.buffer().fname
+func Test_lua_buffer_name()
+ new
+ call assert_equal('', luaeval('vim.buffer().name'))
+ call assert_equal('', luaeval('vim.buffer().fname'))
+ bwipe!
+
+ new Xfoo
+ call assert_equal('Xfoo', luaeval('vim.buffer().name'))
+ call assert_equal(expand('%:p'), luaeval('vim.buffer().fname'))
+ bwipe!
+endfunc
+
+" Test vim.buffer().number
+func Test_lua_buffer_number()
+ " All numbers in Lua are floating points number (no integers).
+ call assert_equal(bufnr('%'), float2nr(luaeval('vim.buffer().number')))
+endfunc
+
+" Test inserting lines in buffer.
+func Test_lua_buffer_insert()
+ new
+ lua vim.buffer()[1] = '3'
+ lua vim.buffer():insert('1', 0)
+ lua vim.buffer():insert('2', 1)
+ lua vim.buffer():insert('4', 10)
+
+ call assert_equal(['1', '2', '3', '4'], getline(1, '$'))
+ call assert_equal('4', luaeval('vim.buffer()[4]'))
+ call assert_equal(v:null, luaeval('vim.buffer()[5]'))
+ call assert_equal(v:null, luaeval('vim.buffer()[{}]'))
+ if s:lua_543
+ let msg = "[string \"vim chunk\"]:1: method 'xyz' is not callable (a nil value)"
+ elseif s:lua_53_or_later
+ let msg = "[string \"vim chunk\"]:1: attempt to call a nil value (method 'xyz')"
+ else
+ let msg = "[string \"vim chunk\"]:1: attempt to call method 'xyz' (a nil value)"
+ endif
+ call assert_fails('lua vim.buffer():xyz()', msg)
+ call assert_fails('lua vim.buffer()[1] = {}',
+ \ '[string "vim chunk"]:1: wrong argument to change')
+ bwipe!
+endfunc
+
+" Test deleting line in buffer
+func Test_lua_buffer_delete()
+ new
+ call setline(1, ['1', '2', '3'])
+ call cursor(3, 1)
+ lua vim.buffer()[2] = nil
+ call assert_equal(['1', '3'], getline(1, '$'))
+
+ call assert_fails('lua vim.buffer()[3] = nil',
+ \ '[string "vim chunk"]:1: invalid line number')
+ bwipe!
+endfunc
+
+" Test #vim.buffer() i.e. number of lines in buffer
+func Test_lua_buffer_number_lines()
+ new
+ call setline(1, ['a', 'b', 'c'])
+ call assert_equal(3, luaeval('#vim.buffer()'))
+ bwipe!
+endfunc
+
+" Test vim.buffer():next() and vim.buffer():previous()
+" Note that these functions get the next or previous buffers
+" but do not switch buffer.
+func Test_lua_buffer_next_previous()
+ new Xfoo1
+ new Xfoo2
+ new Xfoo3
+ b Xfoo2
+
+ lua bn = vim.buffer():next()
+ lua bp = vim.buffer():previous()
+
+ call assert_equal('Xfoo2', luaeval('vim.buffer().name'))
+ call assert_equal('Xfoo1', luaeval('bp.name'))
+ call assert_equal('Xfoo3', luaeval('bn.name'))
+
+ call assert_equal('Xfoo2', bufname('%'))
+
+ lua bn()
+ call assert_equal('Xfoo3', luaeval('vim.buffer().name'))
+ call assert_equal('Xfoo3', bufname('%'))
+
+ lua bp()
+ call assert_equal('Xfoo1', luaeval('vim.buffer().name'))
+ call assert_equal('Xfoo1', bufname('%'))
+
+ lua bn, bp = nil
+ %bwipe!
+endfunc
+
+" Test vim.buffer():isvalid()
+func Test_lua_buffer_isvalid()
+ new Xfoo
+ lua b = vim.buffer()
+ call assert_true(luaeval('b:isvalid()'))
+
+ " FIXME: how to test the case when isvalid() returns v:false?
+ " isvalid() gives errors when the buffer is wiped. Is it a bug?
+
+ lua b = nil
+ bwipe!
+endfunc
+
+func Test_lua_list()
+ call assert_equal([], luaeval('vim.list()'))
+
+ let l = []
+ lua l = vim.eval('l')
+ lua l:add(123)
+ lua l:add('abc')
+ lua l:add(true)
+ lua l:add(false)
+ lua l:add(nil)
+ lua l:add(vim.eval("[1, 2, 3]"))
+ lua l:add(vim.eval("{'a':1, 'b':2, 'c':3}"))
+ call assert_equal([123, 'abc', v:true, v:false, v:null, [1, 2, 3], {'a': 1, 'b': 2, 'c': 3}], l)
+ call assert_equal(7, luaeval('#l'))
+ call assert_match('^list: \%(0x\)\?\x\+$', luaeval('tostring(l)'))
+
+ lua l[1] = 124
+ lua l[6] = nil
+ lua l:insert('first')
+ lua l:insert('xx', 3)
+ call assert_fails('lua l:insert("xx", -20)',
+ \ '[string "vim chunk"]:1: invalid position')
+ call assert_equal(['first', 124, 'abc', 'xx', v:true, v:false, v:null, {'a': 1, 'b': 2, 'c': 3}], l)
+
+ lockvar 1 l
+ call assert_fails('lua l:add("x")', '[string "vim chunk"]:1: list is locked')
+ call assert_fails('lua l:insert(2)', '[string "vim chunk"]:1: list is locked')
+ call assert_fails('lua l[9] = 1', '[string "vim chunk"]:1: list is locked')
+
+ unlockvar l
+ let l = [1, 2]
+ lua ll = vim.eval('l')
+ let x = luaeval("ll[3]")
+ call assert_equal(v:null, x)
+ if s:lua_543
+ let msg = "[string \"luaeval\"]:1: method 'xyz' is not callable (a nil value)"
+ elseif s:lua_53_or_later
+ let msg = "[string \"luaeval\"]:1: attempt to call a nil value (method 'xyz')"
+ else
+ let msg = "[string \"luaeval\"]:1: attempt to call method 'xyz' (a nil value)"
+ endif
+ call assert_fails('let x = luaeval("ll:xyz(3)")', msg)
+ let y = luaeval("ll[{}]")
+ call assert_equal(v:null, y)
+
+ lua l = nil
+endfunc
+
+func Test_lua_list_table()
+ " See :help lua-vim
+ " Non-numeric keys should not be used to initialize the list
+ " so say = 'hi' should be ignored.
+ lua t = {3.14, 'hello', false, true, say = 'hi'}
+ call assert_equal([3.14, 'hello', v:false, v:true], luaeval('vim.list(t)'))
+ lua t = nil
+
+ call assert_fails('lua vim.list(1)', '[string "vim chunk"]:1: table expected, got number')
+ call assert_fails('lua vim.list("x")', '[string "vim chunk"]:1: table expected, got string')
+ call assert_fails('lua vim.list(print)', '[string "vim chunk"]:1: table expected, got function')
+ call assert_fails('lua vim.list(true)', '[string "vim chunk"]:1: table expected, got boolean')
+endfunc
+
+func Test_lua_list_table_insert_remove()
+ if !s:lua_53_or_later
+ throw 'Skipped: Lua version < 5.3'
+ endif
+
+ let l = [1, 2]
+ lua t = vim.eval('l')
+ lua table.insert(t, 10)
+ lua t[#t + 1] = 20
+ lua table.insert(t, 2, 30)
+ call assert_equal(l, [1, 30, 2, 10, 20])
+ lua table.remove(t, 2)
+ call assert_equal(l, [1, 2, 10, 20])
+ lua t[3] = nil
+ call assert_equal(l, [1, 2, 20])
+ lua removed_value = table.remove(t, 3)
+ call assert_equal(luaeval('removed_value'), 20)
+ lua t = nil
+ lua removed_value = nil
+ unlet l
+endfunc
+
+" Test l() i.e. iterator on list
+func Test_lua_list_iter()
+ lua l = vim.list():add('foo'):add('bar')
+ lua str = ''
+ lua for v in l() do str = str .. v end
+ call assert_equal('foobar', luaeval('str'))
+
+ lua str, l = nil
+endfunc
+
+func Test_lua_recursive_list()
+ lua l = vim.list():add(1):add(2)
+ lua l = l:add(l)
+
+ call assert_equal(1, luaeval('l[1]'))
+ call assert_equal(2, luaeval('l[2]'))
+
+ call assert_equal(1, luaeval('l[3][1]'))
+ call assert_equal(2, luaeval('l[3][2]'))
+
+ call assert_equal(1, luaeval('l[3][3][1]'))
+ call assert_equal(2, luaeval('l[3][3][2]'))
+
+ call assert_equal('[1, 2, [...]]', string(luaeval('l')))
+
+ call assert_match('^list: \%(0x\)\?\x\+$', luaeval('tostring(l)'))
+ call assert_equal(luaeval('tostring(l)'), luaeval('tostring(l[3])'))
+
+ call assert_equal(luaeval('l'), luaeval('l[3]'))
+ call assert_equal(luaeval('l'), luaeval('l[3][3]'))
+
+ lua l = nil
+endfunc
+
+func Test_lua_dict()
+ call assert_equal({}, luaeval('vim.dict()'))
+
+ let d = {}
+ lua d = vim.eval('d')
+ lua d[0] = 123
+ lua d[1] = "abc"
+ lua d[2] = true
+ lua d[3] = false
+ lua d[4] = vim.eval("[1, 2, 3]")
+ lua d[5] = vim.eval("{'a':1, 'b':2, 'c':3}")
+ call assert_equal({'0':123, '1':'abc', '2':v:true, '3':v:false, '4': [1, 2, 3], '5': {'a':1, 'b':2, 'c':3}}, d)
+ call assert_equal(6, luaeval('#d'))
+ call assert_match('^dict: \%(0x\)\?\x\+$', luaeval('tostring(d)'))
+
+ call assert_equal('abc', luaeval('d[1]'))
+ call assert_equal(v:null, luaeval('d[22]'))
+
+ lua d[0] = 124
+ lua d[4] = nil
+ call assert_equal({'0':124, '1':'abc', '2':v:true, '3':v:false, '5': {'a':1, 'b':2, 'c':3}}, d)
+
+ lockvar 1 d
+ call assert_fails('lua d[6] = 1', '[string "vim chunk"]:1: dict is locked')
+ unlockvar d
+
+ " Error case
+ lua d = {}
+ lua d[''] = 10
+ call assert_fails("let t = luaeval('vim.dict(d)')",
+ \ s:lua_53_or_later
+ \ ? '[string "luaeval"]:1: table has empty key'
+ \ : 'table has empty key')
+ let d = {}
+ lua x = vim.eval('d')
+ call assert_fails("lua x[''] = 10", '[string "vim chunk"]:1: empty key')
+ lua x['a'] = nil
+ call assert_equal({}, d)
+
+ " cannot assign funcrefs in the global scope
+ lua x = vim.eval('g:')
+ call assert_fails("lua x['min'] = vim.funcref('max')",
+ \ '[string "vim chunk"]:1: cannot assign funcref to builtin scope')
+
+ lua d = nil
+endfunc
+
+func Test_lua_dict_table()
+ lua t = {key1 = 'x', key2 = 3.14, key3 = true, key4 = false}
+ call assert_equal({'key1': 'x', 'key2': 3.14, 'key3': v:true, 'key4': v:false},
+ \ luaeval('vim.dict(t)'))
+
+ " Same example as in :help lua-vim.
+ lua t = {math.pi, false, say = 'hi'}
+ " FIXME: commented out as it currently does not work as documented:
+ " Expected {'say': 'hi'}
+ " but got {'1': 3.141593, '2': v:false, 'say': 'hi'}
+ " Is the documentation or the code wrong?
+ "call assert_equal({'say' : 'hi'}, luaeval('vim.dict(t)'))
+ lua t = nil
+
+ call assert_fails('lua vim.dict(1)', '[string "vim chunk"]:1: table expected, got number')
+ call assert_fails('lua vim.dict("x")', '[string "vim chunk"]:1: table expected, got string')
+ call assert_fails('lua vim.dict(print)', '[string "vim chunk"]:1: table expected, got function')
+ call assert_fails('lua vim.dict(true)', '[string "vim chunk"]:1: table expected, got boolean')
+endfunc
+
+" Test d() i.e. iterator on dictionary
+func Test_lua_dict_iter()
+ let d = {'a': 1, 'b':2}
+ lua d = vim.eval('d')
+ lua str = ''
+ lua for k,v in d() do str = str .. k ..':' .. v .. ',' end
+ call assert_equal('a:1,b:2,', luaeval('str'))
+
+ lua str, d = nil
+endfunc
+
+func Test_lua_blob()
+ call assert_equal(0z, luaeval('vim.blob("")'))
+ call assert_equal(0z31326162, luaeval('vim.blob("12ab")'))
+ call assert_equal(0z00010203, luaeval('vim.blob("\x00\x01\x02\x03")'))
+ call assert_equal(0z8081FEFF, luaeval('vim.blob("\x80\x81\xfe\xff")'))
+
+ lua b = vim.blob("\x00\x00\x00\x00")
+ call assert_equal(0z00000000, luaeval('b'))
+ call assert_equal(4, luaeval('#b'))
+ lua b[0], b[1], b[2], b[3] = 1, 32, 256, 0xff
+ call assert_equal(0z012000ff, luaeval('b'))
+ lua b[4] = string.byte("z", 1)
+ call assert_equal(0z012000ff.7a, luaeval('b'))
+ call assert_equal(5, luaeval('#b'))
+ call assert_fails('lua b[#b+1] = 0x80', '[string "vim chunk"]:1: index out of range')
+ lua b:add("12ab")
+ call assert_equal(0z012000ff.7a313261.62, luaeval('b'))
+ call assert_equal(9, luaeval('#b'))
+ call assert_fails('lua b:add(nil)', '[string "vim chunk"]:1: string expected, got nil')
+ call assert_fails('lua b:add(true)', '[string "vim chunk"]:1: string expected, got boolean')
+ call assert_fails('lua b:add({})', '[string "vim chunk"]:1: string expected, got table')
+ lua b = nil
+
+ let b = 0z0102
+ lua lb = vim.eval('b')
+ let n = luaeval('lb[1]')
+ call assert_equal(2, n)
+ let n = luaeval('lb[6]')
+ call assert_equal(v:null, n)
+ if s:lua_543
+ let msg = "[string \"luaeval\"]:1: method 'xyz' is not callable (a nil value)"
+ elseif s:lua_53_or_later
+ let msg = "[string \"luaeval\"]:1: attempt to call a nil value (method 'xyz')"
+ else
+ let msg = "[string \"luaeval\"]:1: attempt to call method 'xyz' (a nil value)"
+ endif
+ call assert_fails('let x = luaeval("lb:xyz(3)")', msg)
+ let y = luaeval("lb[{}]")
+ call assert_equal(v:null, y)
+
+ lockvar b
+ call assert_fails('lua lb[1] = 2', '[string "vim chunk"]:1: blob is locked')
+ call assert_fails('lua lb:add("12")', '[string "vim chunk"]:1: blob is locked')
+
+ " Error cases
+ lua t = {}
+ call assert_fails('lua b = vim.blob(t)',
+ \ '[string "vim chunk"]:1: string expected, got table')
+endfunc
+
+def Vim9Test(Callback: func())
+ Callback()
+enddef
+
+func Test_call_lua_func_from_vim9_func()
+ " this only tests that Vim doesn't crash
+ lua << EOF
+vim.fn.Vim9Test(function () print('Hello') end)
+EOF
+endfunc
+
+func Test_lua_funcref()
+ function I(x)
+ return a:x
+ endfunction
+ let R = function('I')
+ lua i1 = vim.funcref"I"
+ lua i2 = vim.eval"R"
+ lua msg = "funcref|test|" .. (#i2(i1) == #i1(i2) and "OK" or "FAIL")
+ lua msg = vim.funcref"tr"(msg, "|", " ")
+ call assert_equal("funcref test OK", luaeval('msg'))
+
+ " Error cases
+ call assert_fails('lua f1 = vim.funcref("")',
+ \ '[string "vim chunk"]:1: invalid function name: ')
+ call assert_fails('lua f1 = vim.funcref("10")',
+ \ '[string "vim chunk"]:1: invalid function name: 10')
+ let fname = test_null_string()
+ call assert_fails('lua f1 = vim.funcref(fname)',
+ \ "[string \"vim chunk\"]:1: bad argument #1 to 'funcref' (string expected, got nil)")
+ call assert_fails('lua vim.funcref("abc")()',
+ \ ['E117:', '\[string "vim chunk"]:1: cannot call funcref'])
+
+ " dict funcref
+ function Mylen() dict
+ return len(self.data)
+ endfunction
+ let l = [0, 1, 2, 3]
+ let mydict = {'data': l}
+ lua d = vim.eval"mydict"
+ lua d.len = vim.funcref"Mylen" -- assign d as 'self'
+ lua res = (d.len() == vim.funcref"len"(vim.eval"l")) and "OK" or "FAIL"
+ call assert_equal("OK", luaeval('res'))
+ call assert_equal(function('Mylen', {'data': l, 'len': function('Mylen')}), mydict.len)
+
+ lua i1, i2, msg, d, res = nil
+endfunc
+
+" Test vim.type()
+func Test_lua_type()
+ " The following values are identical to Lua's type function.
+ call assert_equal('string', luaeval('vim.type("foo")'))
+ call assert_equal('number', luaeval('vim.type(1)'))
+ call assert_equal('number', luaeval('vim.type(1.2)'))
+ call assert_equal('function', luaeval('vim.type(print)'))
+ call assert_equal('table', luaeval('vim.type({})'))
+ call assert_equal('boolean', luaeval('vim.type(true)'))
+ call assert_equal('boolean', luaeval('vim.type(false)'))
+ call assert_equal('nil', luaeval('vim.type(nil)'))
+
+ " The following values are specific to Vim.
+ call assert_equal('window', luaeval('vim.type(vim.window())'))
+ call assert_equal('buffer', luaeval('vim.type(vim.buffer())'))
+ call assert_equal('list', luaeval('vim.type(vim.list())'))
+ call assert_equal('dict', luaeval('vim.type(vim.dict())'))
+ call assert_equal('funcref', luaeval('vim.type(vim.funcref("Test_type"))'))
+endfunc
+
+" Test vim.open()
+func Test_lua_open()
+ call assert_notmatch('XOpen', execute('ls'))
+
+ " Open a buffer XOpen1, but do not jump to it.
+ lua b = vim.open('XOpen1')
+ call assert_equal('XOpen1', luaeval('b.name'))
+ call assert_equal('', bufname('%'))
+
+ call assert_match('XOpen1', execute('ls'))
+ call assert_notequal('XOpen2', bufname('%'))
+
+ " Open a buffer XOpen2 and jump to it.
+ lua b = vim.open('XOpen2')()
+ call assert_equal('XOpen2', luaeval('b.name'))
+ call assert_equal('XOpen2', bufname('%'))
+
+ lua b = nil
+ %bwipe!
+endfunc
+
+func Test_update_package_paths()
+ set runtimepath+=./testluaplugin
+ call assert_equal("hello from lua", luaeval("require('testluaplugin').hello()"))
+endfunc
+
+func Vim_func_call_lua_callback(Concat, Cb)
+ let l:message = a:Concat("hello", "vim")
+ call a:Cb(l:message)
+endfunc
+
+func Test_pass_lua_callback_to_vim_from_lua()
+ lua pass_lua_callback_to_vim_from_lua_result = ""
+ call assert_equal("", luaeval("pass_lua_callback_to_vim_from_lua_result"))
+ lua <<EOF
+ vim.funcref('Vim_func_call_lua_callback')(
+ function(greeting, message)
+ return greeting .. " " .. message
+ end,
+ function(message)
+ pass_lua_callback_to_vim_from_lua_result = message
+ end)
+EOF
+ call assert_equal("hello vim", luaeval("pass_lua_callback_to_vim_from_lua_result"))
+endfunc
+
+func Vim_func_call_metatable_lua_callback(Greet)
+ return a:Greet("world")
+endfunc
+
+func Test_pass_lua_metatable_callback_to_vim_from_lua()
+ let result = luaeval("vim.funcref('Vim_func_call_metatable_lua_callback')(setmetatable({ space = ' '}, { __call = function(tbl, msg) return 'hello' .. tbl.space .. msg end }) )")
+ call assert_equal("hello world", result)
+endfunc
+
+" Test vim.line()
+func Test_lua_line()
+ new
+ call setline(1, ['first line', 'second line'])
+ 1
+ call assert_equal('first line', luaeval('vim.line()'))
+ 2
+ call assert_equal('second line', luaeval('vim.line()'))
+ bwipe!
+endfunc
+
+" Test vim.beep()
+func Test_lua_beep()
+ call assert_beeps('lua vim.beep()')
+endfunc
+
+" Test errors in luaeval()
+func Test_luaeval_error()
+ " Compile error
+ call assert_fails("call luaeval('-nil')",
+ \ '[string "luaeval"]:1: attempt to perform arithmetic on a nil value')
+ call assert_fails("call luaeval(']')",
+ \ "[string \"luaeval\"]:1: unexpected symbol near ']'")
+ lua co = coroutine.create(function () print("hi") end)
+ call assert_fails('let i = luaeval("co")', 'luaeval: cannot convert value')
+ lua co = nil
+ call assert_fails('let m = luaeval("{}")', 'luaeval: cannot convert value')
+endfunc
+
+" Test :luafile foo.lua
+func Test_luafile()
+ call writefile(["str = 'hello'", "num = 123" ], 'Xlua_file', 'D')
+ call setfperm('Xlua_file', 'r-xr-xr-x')
+
+ luafile Xlua_file
+ call assert_equal('hello', luaeval('str'))
+ call assert_equal(123, luaeval('num'))
+
+ lua str, num = nil
+endfunc
+
+" Test :luafile %
+func Test_luafile_percent()
+ new Xlua_file
+ append
+ str, num = 'foo', 321.0
+ print(string.format('str=%s, num=%d', str, num))
+.
+ w!
+ luafile %
+ let msg = split(execute('message'), "\n")[-1]
+ call assert_equal('str=foo, num=321', msg)
+
+ lua str, num = nil
+ call delete('Xlua_file')
+ bwipe!
+endfunc
+
+" Test :luafile with syntax error
+func Test_luafile_error()
+ new Xlua_file
+ call writefile(['nil = 0' ], 'Xlua_file', 'D')
+ call setfperm('Xlua_file', 'r-xr-xr-x')
+
+ call assert_fails('luafile Xlua_file', "Xlua_file:1: unexpected symbol near 'nil'")
+
+ bwipe!
+endfunc
+
+" Test :luafile printing a long string
+func Test_luafile_print()
+ new Xlua_file
+ let lines =<< trim END
+ local data = ''
+ for i = 1, 130 do
+ data = data .. 'xxxxx asd as as dad sad sad xz cxz czxcxzczxc ad ad asd asd asd asd asd'
+ end
+ print(data)
+ END
+ call setline(1, lines)
+ w
+ luafile %
+
+ call delete('Xlua_file')
+ bwipe!
+endfunc
+
+" Test for dealing with strings containing newlines and null character
+func Test_lua_string_with_newline()
+ let x = execute('lua print("Hello\nWorld", 2)')
+ call assert_equal("\nHello\nWorld 2", x)
+ new
+ lua k = vim.buffer(vim.eval('bufnr()'))
+ lua k:insert("Hello\0World", 0)
+ call assert_equal(["Hello\nWorld", ''], getline(1, '$'))
+ close!
+endfunc
+
+func Test_lua_set_cursor()
+ " Check that setting the cursor position works.
+ new
+ call setline(1, ['first line', 'second line'])
+ normal gg
+ lua << trim EOF
+ w = vim.window()
+ w.line = 1
+ w.col = 5
+ EOF
+ call assert_equal([1, 5], [line('.'), col('.')])
+
+ " Check that movement after setting cursor position keeps current column.
+ normal j
+ call assert_equal([2, 5], [line('.'), col('.')])
+endfunc
+
+" Test for various heredoc syntax
+func Test_lua_heredoc()
+ lua << END
+vim.command('let s = "A"')
+END
+ lua <<
+vim.command('let s ..= "B"')
+.
+ lua << trim END
+ vim.command('let s ..= "C"')
+ END
+ lua << trim
+ vim.command('let s ..= "D"')
+ .
+ lua << trim eof
+ vim.command('let s ..= "E"')
+ eof
+ call assert_equal('ABCDE', s)
+endfunc
+
+" Test for adding, accessing and removing global variables using the vim.g
+" Lua table
+func Test_lua_global_var_table()
+ " Access global variables with different types of values
+ let g:Var1 = 10
+ let g:Var2 = 'Hello'
+ let g:Var3 = ['a', 'b']
+ let g:Var4 = #{x: 'edit', y: 'run'}
+ let g:Var5 = function('min')
+ call assert_equal(10, luaeval('vim.g.Var1'))
+ call assert_equal('Hello', luaeval('vim.g.Var2'))
+ call assert_equal(['a', 'b'], luaeval('vim.g.Var3'))
+ call assert_equal(#{x: 'edit', y: 'run'}, luaeval('vim.g.Var4'))
+ call assert_equal(2, luaeval('vim.g.Var5')([5, 9, 2]))
+
+ " Access list of dictionaries and dictionary of lists
+ let g:Var1 = [#{a: 10}, #{b: 20}]
+ let g:Var2 = #{p: [5, 6], q: [1.1, 2.2]}
+ call assert_equal([#{a: 10}, #{b: 20}], luaeval('vim.g.Var1'))
+ call assert_equal(#{p: [5, 6], q: [1.1, 2.2]}, luaeval('vim.g.Var2'))
+
+ " Create new global variables with different types of values
+ unlet g:Var1 g:Var2 g:Var3 g:Var4 g:Var5
+ lua << trim END
+ vim.g.Var1 = 34
+ vim.g.Var2 = 'World'
+ vim.g.Var3 = vim.list({'#', '$'})
+ vim.g.Var4 = vim.dict({model='honda', year=2020})
+ vim.g.Var5 = vim.funcref('max')
+ END
+ call assert_equal(34, g:Var1)
+ call assert_equal('World', g:Var2)
+ call assert_equal(['#', '$'], g:Var3)
+ call assert_equal(#{model: 'honda', year: 2020}, g:Var4)
+ call assert_equal(10, g:Var5([5, 10, 9]))
+
+ " Create list of dictionaries and dictionary of lists
+ unlet g:Var1 g:Var2
+ lua << trim END
+ vim.g.Var1 = vim.list({vim.dict({a=10}), vim.dict({b=20})})
+ vim.g.Var2 = vim.dict({p=vim.list({5, 6}), q=vim.list({1.1, 2.2})})
+ END
+ call assert_equal([#{a: 10}, #{b: 20}], luaeval('vim.g.Var1'))
+ call assert_equal(#{p: [5, 6], q: [1.1, 2.2]}, luaeval('vim.g.Var2'))
+
+ " Modify a global variable with a list value or a dictionary value
+ let g:Var1 = [10, 20]
+ let g:Var2 = #{one: 'mercury', two: 'mars'}
+ lua << trim END
+ vim.g.Var1[2] = Nil
+ vim.g.Var1[3] = 15
+ vim.g.Var2['two'] = Nil
+ vim.g.Var2['three'] = 'earth'
+ END
+ call assert_equal([10, 15], g:Var1)
+ call assert_equal(#{one: 'mercury', three: 'earth'}, g:Var2)
+
+ " Remove global variables with different types of values
+ let g:Var1 = 10
+ let g:Var2 = 'Hello'
+ let g:Var3 = ['a', 'b']
+ let g:Var4 = #{x: 'edit', y: 'run'}
+ let g:Var5 = function('min')
+ lua << trim END
+ vim.g.Var1 = Nil
+ vim.g.Var2 = Nil
+ vim.g.Var3 = Nil
+ vim.g.Var4 = Nil
+ vim.g.Var5 = Nil
+ END
+ call assert_false(exists('g:Var1'))
+ call assert_false(exists('g:Var2'))
+ call assert_false(exists('g:Var3'))
+ call assert_false(exists('g:Var4'))
+ call assert_false(exists('g:Var5'))
+
+ " Try to modify and remove a locked global variable
+ let g:Var1 = 10
+ lockvar g:Var1
+ call assert_fails('lua vim.g.Var1 = 20', 'variable is locked')
+ call assert_fails('lua vim.g.Var1 = Nil', 'variable is locked')
+ unlockvar g:Var1
+ let g:Var2 = [7, 14]
+ lockvar 0 g:Var2
+ lua vim.g.Var2[2] = Nil
+ lua vim.g.Var2[3] = 21
+ call assert_fails('lua vim.g.Var2 = Nil', 'variable is locked')
+ call assert_equal([7, 21], g:Var2)
+ lockvar 1 g:Var2
+ call assert_fails('lua vim.g.Var2[2] = Nil', 'list is locked')
+ call assert_fails('lua vim.g.Var2[3] = 21', 'list is locked')
+ unlockvar g:Var2
+
+ let g:TestFunc = function('len')
+ call assert_fails('lua vim.g.func = vim.g.TestFunc', ['E704:', 'Couldn''t add to dictionary'])
+ unlet g:TestFunc
+
+ " Attempt to access a non-existing global variable
+ call assert_equal(v:null, luaeval('vim.g.NonExistingVar'))
+ lua vim.g.NonExisting = Nil
+
+ unlet! g:Var1 g:Var2 g:Var3 g:Var4 g:Var5
+endfunc
+
+" Test for accessing and modifying predefined vim variables using the vim.v
+" Lua table
+func Test_lua_predefined_var_table()
+ call assert_equal(v:progpath, luaeval('vim.v.progpath'))
+ let v:errmsg = 'SomeError'
+ call assert_equal('SomeError', luaeval('vim.v.errmsg'))
+ lua vim.v.errmsg = 'OtherError'
+ call assert_equal('OtherError', v:errmsg)
+ call assert_fails('lua vim.v.errmsg = Nil', 'variable is fixed')
+ let v:oldfiles = ['one', 'two']
+ call assert_equal(['one', 'two'], luaeval('vim.v.oldfiles'))
+ lua vim.v.oldfiles = vim.list({})
+ call assert_equal([], v:oldfiles)
+ call assert_equal(v:null, luaeval('vim.v.null'))
+ call assert_fails('lua vim.v.argv[1] = Nil', 'list is locked')
+ call assert_fails('lua vim.v.newvar = 1', 'Dictionary is locked')
+endfunc
+
+" Test for adding, accessing and modifying window-local variables using the
+" vim.w Lua table
+func Test_lua_window_var_table()
+ " Access window variables with different types of values
+ new
+ let w:wvar1 = 10
+ let w:wvar2 = 'edit'
+ let w:wvar3 = 3.14
+ let w:wvar4 = 0zdeadbeef
+ let w:wvar5 = ['a', 'b']
+ let w:wvar6 = #{action: 'run'}
+ call assert_equal(10, luaeval('vim.w.wvar1'))
+ call assert_equal('edit', luaeval('vim.w.wvar2'))
+ call assert_equal(3.14, luaeval('vim.w.wvar3'))
+ call assert_equal(0zdeadbeef, luaeval('vim.w.wvar4'))
+ call assert_equal(['a', 'b'], luaeval('vim.w.wvar5'))
+ call assert_equal(#{action: 'run'}, luaeval('vim.w.wvar6'))
+ call assert_equal(v:null, luaeval('vim.w.NonExisting'))
+
+ " modify a window variable
+ lua vim.w.wvar2 = 'paste'
+ call assert_equal('paste', w:wvar2)
+
+ " change the type stored in a variable
+ let w:wvar2 = [1, 2]
+ lua vim.w.wvar2 = vim.dict({a=10, b=20})
+ call assert_equal(#{a: 10, b: 20}, w:wvar2)
+
+ " create a new window variable
+ lua vim.w.wvar7 = vim.dict({a=vim.list({1, 2}), b=20})
+ call assert_equal(#{a: [1, 2], b: 20}, w:wvar7)
+
+ " delete a window variable
+ lua vim.w.wvar2 = Nil
+ call assert_false(exists('w:wvar2'))
+
+ new
+ call assert_equal(v:null, luaeval('vim.w.wvar1'))
+ call assert_equal(v:null, luaeval('vim.w.wvar2'))
+ %bw!
+endfunc
+
+" Test for adding, accessing and modifying buffer-local variables using the
+" vim.b Lua table
+func Test_lua_buffer_var_table()
+ " Access buffer variables with different types of values
+ let b:bvar1 = 10
+ let b:bvar2 = 'edit'
+ let b:bvar3 = 3.14
+ let b:bvar4 = 0zdeadbeef
+ let b:bvar5 = ['a', 'b']
+ let b:bvar6 = #{action: 'run'}
+ call assert_equal(10, luaeval('vim.b.bvar1'))
+ call assert_equal('edit', luaeval('vim.b.bvar2'))
+ call assert_equal(3.14, luaeval('vim.b.bvar3'))
+ call assert_equal(0zdeadbeef, luaeval('vim.b.bvar4'))
+ call assert_equal(['a', 'b'], luaeval('vim.b.bvar5'))
+ call assert_equal(#{action: 'run'}, luaeval('vim.b.bvar6'))
+ call assert_equal(v:null, luaeval('vim.b.NonExisting'))
+
+ " modify a buffer variable
+ lua vim.b.bvar2 = 'paste'
+ call assert_equal('paste', b:bvar2)
+
+ " change the type stored in a variable
+ let b:bvar2 = [1, 2]
+ lua vim.b.bvar2 = vim.dict({a=10, b=20})
+ call assert_equal(#{a: 10, b: 20}, b:bvar2)
+
+ " create a new buffer variable
+ lua vim.b.bvar7 = vim.dict({a=vim.list({1, 2}), b=20})
+ call assert_equal(#{a: [1, 2], b: 20}, b:bvar7)
+
+ " delete a buffer variable
+ lua vim.b.bvar2 = Nil
+ call assert_false(exists('b:bvar2'))
+
+ new
+ call assert_equal(v:null, luaeval('vim.b.bvar1'))
+ call assert_equal(v:null, luaeval('vim.b.bvar2'))
+ %bw!
+endfunc
+
+" Test for adding, accessing and modifying tabpage-local variables using the
+" vim.t Lua table
+func Test_lua_tabpage_var_table()
+ " Access tabpage variables with different types of values
+ let t:tvar1 = 10
+ let t:tvar2 = 'edit'
+ let t:tvar3 = 3.14
+ let t:tvar4 = 0zdeadbeef
+ let t:tvar5 = ['a', 'b']
+ let t:tvar6 = #{action: 'run'}
+ call assert_equal(10, luaeval('vim.t.tvar1'))
+ call assert_equal('edit', luaeval('vim.t.tvar2'))
+ call assert_equal(3.14, luaeval('vim.t.tvar3'))
+ call assert_equal(0zdeadbeef, luaeval('vim.t.tvar4'))
+ call assert_equal(['a', 'b'], luaeval('vim.t.tvar5'))
+ call assert_equal(#{action: 'run'}, luaeval('vim.t.tvar6'))
+ call assert_equal(v:null, luaeval('vim.t.NonExisting'))
+
+ " modify a tabpage variable
+ lua vim.t.tvar2 = 'paste'
+ call assert_equal('paste', t:tvar2)
+
+ " change the type stored in a variable
+ let t:tvar2 = [1, 2]
+ lua vim.t.tvar2 = vim.dict({a=10, b=20})
+ call assert_equal(#{a: 10, b: 20}, t:tvar2)
+
+ " create a new tabpage variable
+ lua vim.t.tvar7 = vim.dict({a=vim.list({1, 2}), b=20})
+ call assert_equal(#{a: [1, 2], b: 20}, t:tvar7)
+
+ " delete a tabpage variable
+ lua vim.t.tvar2 = Nil
+ call assert_false(exists('t:tvar2'))
+
+ tabnew
+ call assert_equal(v:null, luaeval('vim.t.tvar1'))
+ call assert_equal(v:null, luaeval('vim.t.tvar2'))
+ %bw!
+endfunc
+
+" Test for vim.version()
+func Test_lua_vim_version()
+ lua << trim END
+ vimver = vim.version()
+ vimver_n = vimver.major * 100 + vimver.minor
+ END
+ call assert_equal(v:version, luaeval('vimver_n'))
+endfunc
+
+" Test for running multiple commands using vim.command()
+func Test_lua_multiple_commands()
+ lua << trim END
+ vim.command([[
+ let Var1 = []
+ for i in range(3)
+ let Var1 += [#{name: 'x'}]
+ endfor
+ augroup Luagroup
+ autocmd!
+ autocmd User Luatest echo 'Hello'
+ augroup END
+ ]])
+ END
+ call assert_equal([{'name': 'x'}, {'name': 'x'}, {'name': 'x'}], Var1)
+ call assert_true(exists('#Luagroup'))
+ call assert_true(exists('#Luagroup#User#Luatest'))
+ augroup Luagroup
+ autocmd!
+ augroup END
+ augroup! Luagroup
+endfunc
+
+func Test_lua_debug()
+ CheckRunVimInTerminal
+
+ let buf = RunVimInTerminal('', {'rows': 10})
+ call term_sendkeys(buf, ":lua debug.debug()\n")
+ call WaitForAssert({-> assert_equal('lua_debug> ', term_getline(buf, 10))})
+
+ call term_sendkeys(buf, "foo = 42\n")
+ call WaitForAssert({-> assert_equal('lua_debug> foo = 42', term_getline(buf, 9))})
+ call WaitForAssert({-> assert_equal('lua_debug> ', term_getline(buf, 10))})
+
+ call term_sendkeys(buf, "print(foo)\n")
+ call WaitForAssert({-> assert_equal('lua_debug> print(foo)', term_getline(buf, 8))})
+ call WaitForAssert({-> assert_equal('42', term_getline(buf, 9))})
+ call WaitForAssert({-> assert_equal('lua_debug> ', term_getline(buf, 10))})
+
+ call term_sendkeys(buf, "-\n")
+ call WaitForAssert({-> assert_equal("(debug command):1: unexpected symbol near '-'",
+ \ term_getline(buf, 9))})
+ call WaitForAssert({-> assert_equal('lua_debug> ', term_getline(buf, 10))})
+
+ call term_sendkeys(buf, "cont\n")
+ call WaitForAssert({-> assert_match(' All$', term_getline(buf, 10))})
+
+ " Entering an empty line also exits the debugger.
+ call term_sendkeys(buf, ":lua debug.debug()\n")
+ call WaitForAssert({-> assert_equal('lua_debug> ', term_getline(buf, 10))})
+ call term_sendkeys(buf, "\n")
+ call WaitForAssert({-> assert_match(' All$', term_getline(buf, 10))})
+
+ call StopVimInTerminal(buf)
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab